单词	isooctane
释义	isooctane noun iso·​oc·​tane ˌī-sō-ˈäk-ˌtān  : an octane of branched-chain structure or a mixture of such octanes especially : a flammable liquid octane used in determining the octane number of fuels Word History Etymology International Scientific Vocabulary First Known Use 1909, in the meaning defined above
随便看	racheted racheting rachets rachi- rachial Rachianectes rachicentesis rachides rachidial rachidian rachiform Rachiglossa rachiglossate rachilla rachillae rachillas rachio- rachiodont rachiometer rachion rachis rachises rachitic rachitides Rachitomi

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